We're handling some wireless LEDs - pretty amazing stuff. Again we're sponsored by www.PCBWay.com/?from=atomic
I saw these LEDs on the Tested channel originally ( • $15 Wireless LED Light... ) and decided that I had to have some.
You can buy them here from Aliexpress (affiliate link): s.click.aliexpress.com/e/_A4gUEH
If you want to make your own LEDs then a 2.2mH inductor and 220pF capacitor seem to work well - you can see how to do it here: • DIY Wireless LEDs Made...
The mystery chip has been identified - it's a XKT-001 and it's actually controlling XKT-333.
आदित्य Aditya मेहेंदळे Mehendale points out:
The XKT333 looks suspiciously like a MOSFET. I suspect that the 6/7 pin chip is/are the "brains" and the XKT333's gate (pin 8) is driven by pin2 of this other chip with a square-wave. The duty cycle of the square wave is likely 44% - hence "2.2VDC" (average) on this pin.
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Негізгі бет Ғылым және технология Look Mum No Wires - This will blow your mind
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